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Some errors in the calculation of the radiation patterns of reflector antennas, using Kirchhoff integration

Some errors in the calculation of the radiation patterns of reflector antennas, using Kirchhoff integration

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© The Institution of Electrical Engineers
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Errata or comment

It is demonstrated that calculation of the antenna patterns of reflector antennas, by means of Kirchhoff integration, leads to unreliable far sidelobes, if theoretical truncated feed patterns are used. The integrated radiation pattern does not yield 4π, but a greater value; the calculated noise temperature is therefore too high. Integration of calculated radiation patterns over 4π steradians is recommended to control the results.

Inspec keywords: errors; reflector antennas; antenna radiation patterns; integration

Other keywords: Kirchhoff integration; errors; antenna radiation patterns

Subjects: Single antennas

References

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      • M.J. Pagones . Gain factor of an offset-fed paraboloidal reflector. IEEE Trans. , 536 - 541
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      • S. Silver . (1949) , Microwave antenna theory and design.
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      • Rusch, W.V.T.: `Scattering of a spherical wave by an arbitrary truncared surface of revolution', 32-434, Jet Propulsion Laboratory Technical Report, 1963.
    6. 6)
      • W.C.T. Rusch . Scattering from a hyperboloidal reflector in a Cassegrainian feed system. IEEE Trans. , 414 - 421
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      • J. Dijk , E.J. Maanders , J.P.F. Sniekers . On the efficiency and radiation patterns of mismatched shaped Cassegrainian antenna systems. Electron. Lett. , 372 - 373
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